<template>
  <!-- 导入表 -->
  <el-dialog title="导入表" v-model="visible" width="1100px" top="5vh" append-to-body>
    <el-form :model="queryParams" ref="queryFormRef" :inline="true">
      <el-form-item label="数据源" prop="dataName">
            <el-select v-model="queryParams.dataName" filterable placeholder="请选择/输入数据源名称" style="width: 200px">
              <el-option v-for="item in dataNameList" :key="item" :label="item" :value="item"> </el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="表名称" prop="tableName">
        <el-input v-model="queryParams.tableName" placeholder="请输入表名称" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="表描述" prop="tableComment">
        <el-input v-model="queryParams.tableComment" placeholder="请输入表描述" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>
    <el-row>
      <el-table @row-click="clickRow" ref="tableRef" :data="dbTableList" @selection-change="handleSelectionChange" height="260px">
        <el-table-column type="selection" width="55"></el-table-column>
        <el-table-column prop="tableName" label="表名称" :show-overflow-tooltip="true"></el-table-column>
        <el-table-column prop="tableComment" label="表描述" :show-overflow-tooltip="true"></el-table-column>
        <el-table-column prop="createTime" label="创建时间"></el-table-column>
        <el-table-column prop="updateTime" label="更新时间"></el-table-column>
      </el-table>
      <pagination v-show="total>0" :total="total" v-model:page="queryParams.pageNum" v-model:limit="queryParams.pageSize" @pagination="getList" />
    </el-row>
    <template #footer>
      <div class="dialog-footer">
        <el-button type="primary" @click="handleImportTable">确 定</el-button>
        <el-button @click="visible = false">取 消</el-button>
      </div>
    </template>
  </el-dialog>
</template>

<script setup lang="ts">
import { listDbTable, importTable, getDataNames } from '@/api/tool/gen';
import { DbTableQuery, DbTableVO } from '@/api/tool/gen/types';
import { ComponentInternalInstance } from 'vue';
import { ElTable, ElForm } from 'element-plus';

const total = ref(0);
const visible = ref(false);
const tables = ref<Array<string>>([]);
const dbTableList = ref<Array<DbTableVO>>([]);
const { proxy } = getCurrentInstance() as ComponentInternalInstance;

const tableRef = ref(ElTable);
const queryFormRef = ref(ElForm);

const queryParams = reactive<DbTableQuery>({
    pageNum: 1,
    pageSize: 10,
    dataName: '',
    tableName: '',
    tableComment: ''
});
const dataNameList = ref<Array<string>>([]);

const emit = defineEmits(["ok"]);

/** 查询参数列表 */
const show = (dataName: string) => {
    getDataNameList();
    if(dataName){
      queryParams.dataName = dataName;
    } else {
      queryParams.dataName = 'master';
    }
    getList();
    visible.value = true;
}
/** 单击选择行 */
const clickRow = (row: DbTableVO) => {
    tableRef.value.toggleRowSelection(row);
}
/** 多选框选中数据 */
const handleSelectionChange = (selection: DbTableVO[]) => {
    tables.value = selection.map(item => item.tableName);
}
/** 查询表数据 */
const getList = async () => {
    const res = await listDbTable(queryParams);
    dbTableList.value = res.rows;
    total.value = res.total;
}
/** 搜索按钮操作 */
const handleQuery = () => {
    queryParams.pageNum = 1;
    getList();
}
/** 重置按钮操作 */
const resetQuery = () => {
    queryFormRef.value.resetFields();
    handleQuery();
}
/** 导入按钮操作 */
const handleImportTable = async () => {
    const tableNames = tables.value.join(",");
    if (tableNames == "") {
        proxy?.$modal.msgError("请选择要导入的表");
        return;
    }
    const res = await importTable({ tables: tableNames, dataName: queryParams.dataName });
    proxy?.$modal.msgSuccess(res.msg);
    if (res.code === 200) {
        visible.value = false;
        emit("ok");
    }
}
/** 查询多数据源名称 */
const getDataNameList = async () => {
  const res = await getDataNames()
  dataNameList.value = res.data;
}

defineExpose({
    show,
});
</script>
